JP2012065348A5 - 動画像の復号化方法 - Google Patents
動画像の復号化方法 Download PDFInfo
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- JP2012065348A5 JP2012065348A5 JP2011252210A JP2011252210A JP2012065348A5 JP 2012065348 A5 JP2012065348 A5 JP 2012065348A5 JP 2011252210 A JP2011252210 A JP 2011252210A JP 2011252210 A JP2011252210 A JP 2011252210A JP 2012065348 A5 JP2012065348 A5 JP 2012065348A5
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Claims (1)
- PフレームとIフレームとを含む動画像の符号化情報のビットストリームを受け取る段階と、
これから復号化するフレームがPフレームの場合は、前記符号化情報から取り出された動きベクトル情報と、既に復号化したフレームの復号画像とを用いて、前記これから復号化するフレームの予測画像を合成する動き補償を行う段階とを有し、
前記動き補償を行う段階は、前記復号画像で画素の存在しない点の強度値を内挿演算で求める段階を含み、
前記これから復号化するフレームがPフレームの場合は、前記符号化情報に含まれる該Pフレームに関する符号化情報から取り出された、前記内挿演算で用いる丸め込み方法がプラスの丸め込み或いはマイナスの丸め込みのいずれかであることを特定する情報に従って前記内挿演算を行い、
前記丸めこみ方法を特定する情報は1ビットからなり、
前記丸めこみ方法を特定する情報は、プラスの丸めこみを指定する場合とマイナスの丸めこみを指定する場合とでは値が異なることを特徴とする動画像の復号化方法。
Priority Applications (1)
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JP2011252210A JP2012065348A (ja) | 1997-06-09 | 2011-11-18 | 動画像の符号化方法および復号化方法 |
Applications Claiming Priority (3)
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JP15065697 | 1997-06-09 | ||
JP1997150656 | 1997-06-09 | ||
JP2011252210A JP2012065348A (ja) | 1997-06-09 | 2011-11-18 | 動画像の符号化方法および復号化方法 |
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JP2011066956A Division JP4918946B2 (ja) | 1997-06-09 | 2011-03-25 | 動画像の復号化方法 |
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JP2012110176A Division JP2012178865A (ja) | 1997-06-09 | 2012-05-14 | 動画像の符号化方法および復号化方法 |
Publications (2)
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JP2012065348A JP2012065348A (ja) | 2012-03-29 |
JP2012065348A5 true JP2012065348A5 (ja) | 2012-06-28 |
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Family Applications (17)
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JP3096599A Expired - Lifetime JP3092610B2 (ja) | 1997-06-09 | 1999-02-09 | 動画像の復号化方法、該方法が記録されたコンピュータ読みとり可能な記録媒体、及び、動画像の復号化装置 |
JP2008022271A Expired - Fee Related JP4849076B2 (ja) | 1997-06-09 | 2008-02-01 | 動画像の符号化方法および復号化方法 |
JP2011066956A Expired - Lifetime JP4918946B2 (ja) | 1997-06-09 | 2011-03-25 | 動画像の復号化方法 |
JP2011252210A Pending JP2012065348A (ja) | 1997-06-09 | 2011-11-18 | 動画像の符号化方法および復号化方法 |
JP2012110176A Pending JP2012178865A (ja) | 1997-06-09 | 2012-05-14 | 動画像の符号化方法および復号化方法 |
JP2012231312A Pending JP2013051712A (ja) | 1997-06-09 | 2012-10-19 | 動画像の符号化方法および復号化方法 |
JP2012231310A Expired - Lifetime JP5257544B2 (ja) | 1997-06-09 | 2012-10-19 | 動画像の予測画像生成方法 |
JP2012231311A Expired - Lifetime JP5257545B2 (ja) | 1997-06-09 | 2012-10-19 | 動画像の予測画像生成方法 |
JP2012231309A Expired - Lifetime JP5257543B2 (ja) | 1997-06-09 | 2012-10-19 | 動画像の復号化方法 |
JP2013083479A Expired - Lifetime JP5418710B2 (ja) | 1997-06-09 | 2013-04-12 | 動画像の復号化方法 |
JP2013083481A Expired - Lifetime JP5376083B2 (ja) | 1997-06-09 | 2013-04-12 | 動画像の予測画像生成方法 |
JP2013162866A Expired - Lifetime JP5392434B2 (ja) | 1997-06-09 | 2013-08-06 | 動画像の予測画像生成方法 |
JP2013203000A Expired - Lifetime JP5545403B2 (ja) | 1997-06-09 | 2013-09-30 | 動画像の復号化方法 |
JP2014055771A Expired - Lifetime JP5672400B2 (ja) | 1997-06-09 | 2014-03-19 | 動画像の復号化方法 |
JP2014170048A Expired - Lifetime JP5713137B2 (ja) | 1997-06-09 | 2014-08-25 | 動画像の予測画像生成法 |
JP2015009063A Expired - Lifetime JP5880743B2 (ja) | 1997-06-09 | 2015-01-21 | 動画像の予測画像生成方法 |
JP2015139316A Pending JP2015228670A (ja) | 1997-06-09 | 2015-07-13 | 動画像の予測画像生成方法および復号化方法 |
Family Applications Before (3)
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JP3096599A Expired - Lifetime JP3092610B2 (ja) | 1997-06-09 | 1999-02-09 | 動画像の復号化方法、該方法が記録されたコンピュータ読みとり可能な記録媒体、及び、動画像の復号化装置 |
JP2008022271A Expired - Fee Related JP4849076B2 (ja) | 1997-06-09 | 2008-02-01 | 動画像の符号化方法および復号化方法 |
JP2011066956A Expired - Lifetime JP4918946B2 (ja) | 1997-06-09 | 2011-03-25 | 動画像の復号化方法 |
Family Applications After (13)
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JP2012110176A Pending JP2012178865A (ja) | 1997-06-09 | 2012-05-14 | 動画像の符号化方法および復号化方法 |
JP2012231312A Pending JP2013051712A (ja) | 1997-06-09 | 2012-10-19 | 動画像の符号化方法および復号化方法 |
JP2012231310A Expired - Lifetime JP5257544B2 (ja) | 1997-06-09 | 2012-10-19 | 動画像の予測画像生成方法 |
JP2012231311A Expired - Lifetime JP5257545B2 (ja) | 1997-06-09 | 2012-10-19 | 動画像の予測画像生成方法 |
JP2012231309A Expired - Lifetime JP5257543B2 (ja) | 1997-06-09 | 2012-10-19 | 動画像の復号化方法 |
JP2013083479A Expired - Lifetime JP5418710B2 (ja) | 1997-06-09 | 2013-04-12 | 動画像の復号化方法 |
JP2013083481A Expired - Lifetime JP5376083B2 (ja) | 1997-06-09 | 2013-04-12 | 動画像の予測画像生成方法 |
JP2013162866A Expired - Lifetime JP5392434B2 (ja) | 1997-06-09 | 2013-08-06 | 動画像の予測画像生成方法 |
JP2013203000A Expired - Lifetime JP5545403B2 (ja) | 1997-06-09 | 2013-09-30 | 動画像の復号化方法 |
JP2014055771A Expired - Lifetime JP5672400B2 (ja) | 1997-06-09 | 2014-03-19 | 動画像の復号化方法 |
JP2014170048A Expired - Lifetime JP5713137B2 (ja) | 1997-06-09 | 2014-08-25 | 動画像の予測画像生成法 |
JP2015009063A Expired - Lifetime JP5880743B2 (ja) | 1997-06-09 | 2015-01-21 | 動画像の予測画像生成方法 |
JP2015139316A Pending JP2015228670A (ja) | 1997-06-09 | 2015-07-13 | 動画像の予測画像生成方法および復号化方法 |
Country Status (10)
Country | Link |
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US (92) | US6295376B1 (ja) |
EP (11) | EP2271116B1 (ja) |
JP (17) | JP3092610B2 (ja) |
KR (4) | KR100393123B1 (ja) |
CN (8) | CN1156167C (ja) |
CA (1) | CA2240118C (ja) |
DE (2) | DE69817460T2 (ja) |
ES (10) | ES2545066T3 (ja) |
HK (8) | HK1017795A1 (ja) |
TW (2) | TW465227B (ja) |
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